./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:11:05,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:11:05,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-12-05 23:11:05,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:11:05,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:11:05,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:11:05,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:11:05,963 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:11:05,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:11:05,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:11:05,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:11:05,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:11:05,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:05,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:11:05,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:11:05,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:11:05,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:11:05,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e [2024-12-05 23:11:06,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:11:06,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:11:06,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:11:06,177 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:11:06,177 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:11:06,178 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2024-12-05 23:11:08,821 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/b26e4348d/8cb94bb0f8e8452a9bd8335e24d7cc62/FLAGbce9c5fc8 [2024-12-05 23:11:09,076 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:11:09,077 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2024-12-05 23:11:09,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/b26e4348d/8cb94bb0f8e8452a9bd8335e24d7cc62/FLAGbce9c5fc8 [2024-12-05 23:11:09,382 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/b26e4348d/8cb94bb0f8e8452a9bd8335e24d7cc62 [2024-12-05 23:11:09,383 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:11:09,384 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:11:09,385 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:09,386 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:11:09,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:11:09,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,390 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305b8035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09, skipping insertion in model container [2024-12-05 23:11:09,390 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,417 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:11:09,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:09,623 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:11:09,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:11:09,681 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:11:09,681 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09 WrapperNode [2024-12-05 23:11:09,681 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:11:09,682 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:09,682 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:11:09,682 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:11:09,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,698 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,714 INFO L138 Inliner]: procedures = 119, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 120 [2024-12-05 23:11:09,714 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:11:09,715 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:11:09,715 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:11:09,715 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:11:09,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,728 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,729 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,731 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,733 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,734 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:11:09,735 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:11:09,735 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:11:09,735 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:11:09,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:11:09" (1/1) ... [2024-12-05 23:11:09,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:11:09,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:11:09,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:11:09,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:11:09,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:11:09,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:11:09,864 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:11:09,866 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:11:10,204 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-12-05 23:11:10,205 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:11:10,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:11:10,256 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-05 23:11:10,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:10 BoogieIcfgContainer [2024-12-05 23:11:10,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:11:10,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:11:10,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:11:10,266 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:11:10,267 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:10" (1/1) ... [2024-12-05 23:11:10,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:11:10,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 110 states and 125 transitions. [2024-12-05 23:11:10,322 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2024-12-05 23:11:10,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:11:10,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 109 states and 124 transitions. [2024-12-05 23:11:10,498 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2024-12-05 23:11:10,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:11:10,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 108 states and 123 transitions. [2024-12-05 23:11:10,656 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2024-12-05 23:11:10,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:11:10,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 107 states and 122 transitions. [2024-12-05 23:11:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2024-12-05 23:11:10,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:11:10,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 106 states and 121 transitions. [2024-12-05 23:11:10,776 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2024-12-05 23:11:10,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:11:10,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 105 states and 120 transitions. [2024-12-05 23:11:10,819 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2024-12-05 23:11:10,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:11:10,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:10,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:10,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:10,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2024-12-05 23:11:10,895 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-12-05 23:11:10,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:11:10,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:10,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:11,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:11,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-12-05 23:11:11,044 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-12-05 23:11:11,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:11:11,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:11,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:11,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:11,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:11,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 122 transitions. [2024-12-05 23:11:11,348 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-12-05 23:11:11,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:11,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:11,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:11,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:11,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:11,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 105 states and 121 transitions. [2024-12-05 23:11:11,399 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2024-12-05 23:11:11,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:11:11,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:11,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:11,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-12-05 23:11:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-12-05 23:11:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:11,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:11,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:11,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:12,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:12,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 108 states and 127 transitions. [2024-12-05 23:11:12,116 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2024-12-05 23:11:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:12,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:12,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:12,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:12,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:12,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 110 states and 131 transitions. [2024-12-05 23:11:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 131 transitions. [2024-12-05 23:11:12,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:12,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:12,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:12,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:12,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 109 states and 130 transitions. [2024-12-05 23:11:12,988 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-12-05 23:11:12,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:12,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:12,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:13,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:13,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:13,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 108 states and 129 transitions. [2024-12-05 23:11:13,295 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 129 transitions. [2024-12-05 23:11:13,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:13,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:13,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:13,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-12-05 23:11:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-12-05 23:11:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:11:13,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:13,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:14,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 118 states and 148 transitions. [2024-12-05 23:11:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 148 transitions. [2024-12-05 23:11:14,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:11:14,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:14,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:14,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:14,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 119 states and 150 transitions. [2024-12-05 23:11:14,409 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-12-05 23:11:14,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:11:14,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:14,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:14,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 121 states and 153 transitions. [2024-12-05 23:11:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 153 transitions. [2024-12-05 23:11:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:11:14,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:14,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:14,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:14,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:14,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 120 states and 152 transitions. [2024-12-05 23:11:14,724 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 152 transitions. [2024-12-05 23:11:14,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:11:14,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:14,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:14,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:14,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 119 states and 151 transitions. [2024-12-05 23:11:14,780 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 151 transitions. [2024-12-05 23:11:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:14,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:14,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:14,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:15,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:15,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 121 states and 155 transitions. [2024-12-05 23:11:15,883 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 155 transitions. [2024-12-05 23:11:15,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:15,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:15,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:16,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 125 states and 162 transitions. [2024-12-05 23:11:17,817 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 162 transitions. [2024-12-05 23:11:17,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:17,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:17,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 124 states and 161 transitions. [2024-12-05 23:11:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 161 transitions. [2024-12-05 23:11:17,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:17,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:17,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 123 states and 160 transitions. [2024-12-05 23:11:17,891 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 160 transitions. [2024-12-05 23:11:17,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:17,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 124 states and 162 transitions. [2024-12-05 23:11:17,918 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2024-12-05 23:11:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:11:17,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 126 states and 167 transitions. [2024-12-05 23:11:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 167 transitions. [2024-12-05 23:11:17,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:17,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:17,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:17,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:17,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 125 states and 166 transitions. [2024-12-05 23:11:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2024-12-05 23:11:17,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:17,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:17,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 99 states and 124 transitions. [2024-12-05 23:11:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 124 transitions. [2024-12-05 23:11:18,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:18,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:18,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:18,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:18,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 96 states and 120 transitions. [2024-12-05 23:11:18,722 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 120 transitions. [2024-12-05 23:11:18,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:18,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:18,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:18,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:18,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:18,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 98 states and 124 transitions. [2024-12-05 23:11:18,773 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 124 transitions. [2024-12-05 23:11:18,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:18,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:18,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:18,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:18,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 97 states and 123 transitions. [2024-12-05 23:11:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 123 transitions. [2024-12-05 23:11:18,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:11:18,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:18,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:19,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 100 states and 128 transitions. [2024-12-05 23:11:19,122 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 128 transitions. [2024-12-05 23:11:19,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:19,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:19,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 102 states and 131 transitions. [2024-12-05 23:11:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2024-12-05 23:11:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:19,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:19,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:19,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 104 states and 135 transitions. [2024-12-05 23:11:19,276 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 135 transitions. [2024-12-05 23:11:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:19,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:19,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:19,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:20,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:20,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 110 states and 145 transitions. [2024-12-05 23:11:20,927 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 145 transitions. [2024-12-05 23:11:20,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:20,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:20,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:20,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:20,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 109 states and 144 transitions. [2024-12-05 23:11:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 144 transitions. [2024-12-05 23:11:20,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:11:20,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:20,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 146 transitions. [2024-12-05 23:11:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2024-12-05 23:11:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:11:21,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 109 states and 145 transitions. [2024-12-05 23:11:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2024-12-05 23:11:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:11:21,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 110 states and 146 transitions. [2024-12-05 23:11:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 146 transitions. [2024-12-05 23:11:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:11:21,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 109 states and 145 transitions. [2024-12-05 23:11:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 145 transitions. [2024-12-05 23:11:21,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:11:21,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 111 states and 150 transitions. [2024-12-05 23:11:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2024-12-05 23:11:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:11:21,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 110 states and 149 transitions. [2024-12-05 23:11:21,415 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 149 transitions. [2024-12-05 23:11:21,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:11:21,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 111 states and 150 transitions. [2024-12-05 23:11:21,460 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 150 transitions. [2024-12-05 23:11:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:11:21,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:21,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:22,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 118 states and 161 transitions. [2024-12-05 23:11:22,766 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 161 transitions. [2024-12-05 23:11:22,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:11:22,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:24,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 125 states and 173 transitions. [2024-12-05 23:11:24,745 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 173 transitions. [2024-12-05 23:11:24,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:11:24,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:24,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:24,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 130 states and 180 transitions. [2024-12-05 23:11:26,617 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 180 transitions. [2024-12-05 23:11:26,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:11:26,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:26,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:29,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:29,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 138 states and 192 transitions. [2024-12-05 23:11:29,191 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 192 transitions. [2024-12-05 23:11:29,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:11:29,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:29,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:29,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:33,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 149 states and 208 transitions. [2024-12-05 23:11:33,569 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 208 transitions. [2024-12-05 23:11:33,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:11:33,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:33,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:33,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:33,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 152 states and 214 transitions. [2024-12-05 23:11:33,722 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 214 transitions. [2024-12-05 23:11:33,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:11:33,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:33,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:33,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:33,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 155 states and 220 transitions. [2024-12-05 23:11:33,931 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 220 transitions. [2024-12-05 23:11:33,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:11:33,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:33,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:33,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:34,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:37,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:37,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 162 states and 238 transitions. [2024-12-05 23:11:37,539 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 238 transitions. [2024-12-05 23:11:37,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:11:37,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:37,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:37,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:38,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:38,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 168 states and 254 transitions. [2024-12-05 23:11:38,896 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 254 transitions. [2024-12-05 23:11:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:11:38,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:38,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:39,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 180 states and 277 transitions. [2024-12-05 23:11:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 277 transitions. [2024-12-05 23:11:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:11:44,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:44,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:44,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:44,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:47,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 188 states and 291 transitions. [2024-12-05 23:11:47,142 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 291 transitions. [2024-12-05 23:11:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:11:47,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:47,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:47,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:50,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 196 states and 305 transitions. [2024-12-05 23:11:50,436 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 305 transitions. [2024-12-05 23:11:50,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:11:50,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:11:55,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 200 states and 312 transitions. [2024-12-05 23:11:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 312 transitions. [2024-12-05 23:11:55,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:11:55,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:55,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:56,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:56,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 202 states and 321 transitions. [2024-12-05 23:11:56,211 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 321 transitions. [2024-12-05 23:11:56,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:11:56,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:56,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:11:56,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:11:56,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 203 states and 322 transitions. [2024-12-05 23:11:56,439 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 322 transitions. [2024-12-05 23:11:56,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:11:56,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:11:56,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:11:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:11:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:05,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:05,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 211 states and 339 transitions. [2024-12-05 23:12:05,762 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 339 transitions. [2024-12-05 23:12:05,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:05,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:05,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:07,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:13,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:13,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2024-12-05 23:12:13,566 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2024-12-05 23:12:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:13,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:13,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:20,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:20,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 231 states and 391 transitions. [2024-12-05 23:12:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 391 transitions. [2024-12-05 23:12:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:20,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:20,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:20,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:21,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 232 states and 392 transitions. [2024-12-05 23:12:21,142 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 392 transitions. [2024-12-05 23:12:21,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:21,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:21,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:21,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:24,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 238 states and 404 transitions. [2024-12-05 23:12:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 404 transitions. [2024-12-05 23:12:24,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:24,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:29,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 244 states and 415 transitions. [2024-12-05 23:12:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 415 transitions. [2024-12-05 23:12:29,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:29,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:29,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:42,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 256 states and 443 transitions. [2024-12-05 23:12:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 443 transitions. [2024-12-05 23:12:42,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:42,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:42,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:43,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 257 states and 446 transitions. [2024-12-05 23:12:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 446 transitions. [2024-12-05 23:12:43,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:43,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:43,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:12:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:12:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 255 states and 438 transitions. [2024-12-05 23:12:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 438 transitions. [2024-12-05 23:12:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:12:43,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:12:43,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:12:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:12:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:00,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:00,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 268 states and 463 transitions. [2024-12-05 23:13:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 463 transitions. [2024-12-05 23:13:00,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:13:00,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:00,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:00,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:06,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:06,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 273 states and 476 transitions. [2024-12-05 23:13:06,750 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 476 transitions. [2024-12-05 23:13:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:13:06,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:06,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:09,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 276 states and 481 transitions. [2024-12-05 23:13:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 481 transitions. [2024-12-05 23:13:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:09,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:09,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:19,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 284 states and 489 transitions. [2024-12-05 23:13:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 489 transitions. [2024-12-05 23:13:19,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:19,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:19,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 294 states and 518 transitions. [2024-12-05 23:13:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 518 transitions. [2024-12-05 23:13:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:28,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:28,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:28,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:31,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 297 states and 524 transitions. [2024-12-05 23:13:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 524 transitions. [2024-12-05 23:13:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:31,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:31,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:35,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:35,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 300 states and 527 transitions. [2024-12-05 23:13:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 527 transitions. [2024-12-05 23:13:35,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:35,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:35,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:35,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:35,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 301 states and 531 transitions. [2024-12-05 23:13:35,900 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 531 transitions. [2024-12-05 23:13:35,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:35,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:35,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:36,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:36,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 302 states and 536 transitions. [2024-12-05 23:13:36,588 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 536 transitions. [2024-12-05 23:13:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:36,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:37,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 303 states and 540 transitions. [2024-12-05 23:13:37,508 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 540 transitions. [2024-12-05 23:13:37,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:37,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:37,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 304 states and 544 transitions. [2024-12-05 23:13:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 544 transitions. [2024-12-05 23:13:38,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:38,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:38,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:38,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:39,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:39,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 305 states and 547 transitions. [2024-12-05 23:13:39,003 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 547 transitions. [2024-12-05 23:13:39,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:39,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:39,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:39,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:39,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 306 states and 550 transitions. [2024-12-05 23:13:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 550 transitions. [2024-12-05 23:13:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:39,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:39,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:41,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:49,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:49,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 312 states and 563 transitions. [2024-12-05 23:13:49,970 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 563 transitions. [2024-12-05 23:13:49,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:13:49,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:49,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:50,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:54,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 316 states and 569 transitions. [2024-12-05 23:13:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 569 transitions. [2024-12-05 23:13:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:13:54,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:54,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:13:55,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:55,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 317 states and 570 transitions. [2024-12-05 23:13:55,595 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 570 transitions. [2024-12-05 23:13:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:13:55,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:55,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:55,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:13:59,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:13:59,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 321 states and 578 transitions. [2024-12-05 23:13:59,674 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 578 transitions. [2024-12-05 23:13:59,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:13:59,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:13:59,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:13:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:13:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:06,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:06,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 329 states and 592 transitions. [2024-12-05 23:14:06,404 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 592 transitions. [2024-12-05 23:14:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:06,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:06,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:08,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:08,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 332 states and 598 transitions. [2024-12-05 23:14:08,004 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 598 transitions. [2024-12-05 23:14:08,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:08,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:08,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:08,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:11,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:11,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 335 states and 602 transitions. [2024-12-05 23:14:11,014 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 602 transitions. [2024-12-05 23:14:11,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:11,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:11,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:11,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 338 states and 606 transitions. [2024-12-05 23:14:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 606 transitions. [2024-12-05 23:14:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:14,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:14,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:17,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 341 states and 611 transitions. [2024-12-05 23:14:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 611 transitions. [2024-12-05 23:14:17,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:14:17,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:17,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:14:21,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:21,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 344 states and 616 transitions. [2024-12-05 23:14:21,635 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 616 transitions. [2024-12-05 23:14:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:14:21,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:21,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:22,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:14:45,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:45,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 357 states and 646 transitions. [2024-12-05 23:14:45,294 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 646 transitions. [2024-12-05 23:14:45,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:14:45,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:45,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:45,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:14:46,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:46,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 358 states and 650 transitions. [2024-12-05 23:14:46,332 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 650 transitions. [2024-12-05 23:14:46,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:14:46,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:46,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:14:47,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:14:47,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 654 states to 359 states and 654 transitions. [2024-12-05 23:14:47,749 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 654 transitions. [2024-12-05 23:14:47,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:14:47,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:14:47,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:14:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:14:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:09,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:09,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 371 states and 679 transitions. [2024-12-05 23:15:09,534 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 679 transitions. [2024-12-05 23:15:09,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:15:09,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:09,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:09,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:15:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 362 states and 664 transitions. [2024-12-05 23:15:15,101 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 664 transitions. [2024-12-05 23:15:15,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:15:15,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:15,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:15,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-05 23:15:21,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:21,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 366 states and 670 transitions. [2024-12-05 23:15:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 670 transitions. [2024-12-05 23:15:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:15:21,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:21,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:23,595 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:38,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:38,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 376 states and 692 transitions. [2024-12-05 23:15:38,974 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 692 transitions. [2024-12-05 23:15:38,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:15:38,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:38,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:39,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:15:47,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:15:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 382 states and 702 transitions. [2024-12-05 23:15:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 702 transitions. [2024-12-05 23:15:47,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:15:47,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:15:47,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:15:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:15:50,940 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:03,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 388 states and 711 transitions. [2024-12-05 23:16:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 711 transitions. [2024-12-05 23:16:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:16:03,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:03,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:03,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:16:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 391 states and 719 transitions. [2024-12-05 23:16:07,558 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 719 transitions. [2024-12-05 23:16:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:16:07,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:07,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:07,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:07,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:28,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:28,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 407 states and 750 transitions. [2024-12-05 23:16:28,593 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 750 transitions. [2024-12-05 23:16:28,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:16:28,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:28,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:28,616 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:16:31,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:31,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 408 states and 752 transitions. [2024-12-05 23:16:31,370 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 752 transitions. [2024-12-05 23:16:31,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:16:31,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:31,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:16:34,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:34,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 411 states and 756 transitions. [2024-12-05 23:16:34,588 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 756 transitions. [2024-12-05 23:16:34,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:16:34,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:34,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:16:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:16:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 418 states and 774 transitions. [2024-12-05 23:16:53,614 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 774 transitions. [2024-12-05 23:16:53,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:16:53,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:16:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:16:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:16:58,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:17:13,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:13,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 425 states and 803 transitions. [2024-12-05 23:17:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 803 transitions. [2024-12-05 23:17:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:17:13,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:13,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:17:15,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:15,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 426 states and 805 transitions. [2024-12-05 23:17:15,275 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 805 transitions. [2024-12-05 23:17:15,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:17:15,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:15,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:15,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:15,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:17:20,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 427 states and 806 transitions. [2024-12-05 23:17:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 806 transitions. [2024-12-05 23:17:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:17:20,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:20,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:17:23,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:23,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 427 states and 802 transitions. [2024-12-05 23:17:23,568 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 802 transitions. [2024-12-05 23:17:23,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:17:23,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:23,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:17:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:17:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 437 states and 830 transitions. [2024-12-05 23:17:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 830 transitions. [2024-12-05 23:17:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:17:44,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:17:44,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:17:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:17:45,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:01,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:01,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 445 states and 850 transitions. [2024-12-05 23:18:01,676 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 850 transitions. [2024-12-05 23:18:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:01,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:01,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:06,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:20,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:20,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 452 states and 867 transitions. [2024-12-05 23:18:20,919 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 867 transitions. [2024-12-05 23:18:20,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:20,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:20,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:32,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 458 states and 880 transitions. [2024-12-05 23:18:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 880 transitions. [2024-12-05 23:18:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:32,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:35,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:35,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 459 states and 884 transitions. [2024-12-05 23:18:35,206 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 884 transitions. [2024-12-05 23:18:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:35,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:35,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:36,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:36,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 888 states to 460 states and 888 transitions. [2024-12-05 23:18:36,980 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 888 transitions. [2024-12-05 23:18:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:36,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:36,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 465 states and 895 transitions. [2024-12-05 23:18:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 895 transitions. [2024-12-05 23:18:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-05 23:18:45,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:45,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:18:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 466 states and 899 transitions. [2024-12-05 23:18:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 899 transitions. [2024-12-05 23:18:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:18:47,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:47,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:47,765 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:18:59,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:18:59,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 470 states and 910 transitions. [2024-12-05 23:18:59,541 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 910 transitions. [2024-12-05 23:18:59,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:18:59,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:18:59,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:18:59,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:18:59,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:09,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:09,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 922 states to 476 states and 922 transitions. [2024-12-05 23:19:09,532 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 922 transitions. [2024-12-05 23:19:09,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 23:19:09,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:09,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:19:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:19:09,543 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:19:09,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:19:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:19:09,647 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:19:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:19:09,803 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 119 iterations. [2024-12-05 23:19:09,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:19:09 ImpRootNode [2024-12-05 23:19:09,831 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:19:09,832 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:19:09,832 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:19:09,832 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:19:09,832 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:11:10" (3/4) ... [2024-12-05 23:19:09,834 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:19:09,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:19:09,835 INFO L158 Benchmark]: Toolchain (without parser) took 480450.50ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 117.5MB in the beginning and 1.1GB in the end (delta: -947.7MB). Peak memory consumption was 416.8MB. Max. memory is 16.1GB. [2024-12-05 23:19:09,835 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:09,835 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.18ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 100.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:19:09,836 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:09,836 INFO L158 Benchmark]: Boogie Preprocessor took 19.15ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:09,836 INFO L158 Benchmark]: RCFGBuilder took 521.71ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 66.7MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:19:09,836 INFO L158 Benchmark]: CodeCheck took 479574.31ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 66.5MB in the beginning and 1.1GB in the end (delta: -998.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-12-05 23:19:09,837 INFO L158 Benchmark]: Witness Printer took 2.86ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 196.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:19:09,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 110 locations, 59 error locations. Started 1 CEGAR loops. OverallTime: 479.5s, OverallIterations: 119, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36748 SdHoareTripleChecker+Valid, 184.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 32190 mSDsluCounter, 32448 SdHoareTripleChecker+Invalid, 163.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29285 mSDsCounter, 37495 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 139506 IncrementalHoareTripleChecker+Invalid, 177001 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37495 mSolverCounterUnsat, 3163 mSDtfsCounter, 139506 mSolverCounterSat, 2.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19402 GetRequests, 17254 SyntacticMatches, 456 SemanticMatches, 1692 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1489216 ImplicationChecksByTransitivity, 464.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 49.4s InterpolantComputationTime, 2153 NumberOfCodeBlocks, 2153 NumberOfCodeBlocksAsserted, 119 NumberOfCheckSat, 2007 ConstructedInterpolants, 0 QuantifiedInterpolants, 13775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 118 InterpolantComputations, 88 PerfectInterpolantSequences, 53/141 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 997]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 997. Possible FailurePath: [L1000] SLL* head = malloc(sizeof(SLL)); [L1001] head->next = ((void*)0) VAL [head={-1:0}] [L1002] head->prev = ((void*)0) VAL [head={-1:0}] [L1003] head->data = 0 [L1005] SLL* x = head; VAL [head={-1:0}, x={-1:0}] [L1008] COND FALSE !(__VERIFIER_nondet_int()) [L1019] COND FALSE !(__VERIFIER_nondet_int()) [L1029] x = head VAL [head={-1:0}, x={-1:0}] [L1030] EXPR x->next VAL [head={-1:0}, x={-1:0}] [L1030] COND FALSE !(x->next != ((void*)0)) [L1037] EXPR x->next [L1037] SLL* y = x->next; [L1038] x->next = malloc(sizeof(SLL)) [L1039] x->data = 1 VAL [head={-1:0}, x={-1:0}, y={0:0}] [L1040] x->next = y VAL [head={-1:0}, x={-1:0}, y={0:0}] [L1041] COND FALSE !(y != ((void*)0)) VAL [head={-1:0}, x={-1:0}] [L1049] x = head VAL [head={-1:0}, x={-1:0}] [L1052] EXPR x->data VAL [head={-1:0}, x={-1:0}] [L1052] COND FALSE !(x->data != 1) [L1058] EXPR x->next [L1058] x = x->next [L1059] COND FALSE !(\read(*x)) [L1067] x = head VAL [x={-1:0}] [L1068] COND TRUE x != ((void*)0) [L1070] head = x VAL [head={-1:0}, x={-1:0}] [L1071] EXPR x->next [L1071] x = x->next [L1072] free(head) VAL [x={0:0}] [L1072] free(head) VAL [x={0:0}] [L1072] free(head) [L1068] COND FALSE !(x != ((void*)0)) [L1075] return 0; VAL [\result=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.18ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 100.0MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 142.6MB. Free memory was 100.0MB in the beginning and 98.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.15ms. Allocated memory is still 142.6MB. Free memory was 98.3MB in the beginning and 96.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 521.71ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 66.7MB in the end (delta: 30.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 479574.31ms. Allocated memory was 142.6MB in the beginning and 1.5GB in the end (delta: 1.4GB). Free memory was 66.5MB in the beginning and 1.1GB in the end (delta: -998.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 2.86ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 196.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:19:09,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:19:11,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:19:11,846 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2024-12-05 23:19:11,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:19:11,873 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:19:11,873 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:19:11,873 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:19:11,873 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:19:11,874 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:19:11,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:19:11,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:11,875 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:19:11,875 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:19:11,876 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:11,876 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:19:11,876 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9d8386495cfc7d925686020c12a2509d702f4bf2aed1f5dea2d7da468cac3b6e [2024-12-05 23:19:12,108 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:19:12,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:19:12,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:19:12,120 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:19:12,120 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:19:12,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2024-12-05 23:19:14,902 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/12f4aafe9/cd89c2f801a24588b9582f500f784b3d/FLAG7dffba3c2 [2024-12-05 23:19:15,108 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:19:15,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/sv-benchmarks/c/forester-heap/dll-simple-white-blue-2.i [2024-12-05 23:19:15,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/12f4aafe9/cd89c2f801a24588b9582f500f784b3d/FLAG7dffba3c2 [2024-12-05 23:19:15,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/data/12f4aafe9/cd89c2f801a24588b9582f500f784b3d [2024-12-05 23:19:15,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:19:15,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:19:15,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:19:15,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:19:15,138 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:19:15,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d06af9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15, skipping insertion in model container [2024-12-05 23:19:15,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,164 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:19:15,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:19:15,383 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:19:15,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:19:15,447 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:19:15,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15 WrapperNode [2024-12-05 23:19:15,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:19:15,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:19:15,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:19:15,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:19:15,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,482 INFO L138 Inliner]: procedures = 122, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 118 [2024-12-05 23:19:15,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:19:15,483 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:19:15,483 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:19:15,483 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:19:15,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,504 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,505 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,512 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,514 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:19:15,515 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:19:15,515 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:19:15,515 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:19:15,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:19:15" (1/1) ... [2024-12-05 23:19:15,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:19:15,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:19:15,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:19:15,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:19:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:19:15,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:19:15,649 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:19:15,650 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:19:16,156 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-12-05 23:19:16,156 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:19:16,208 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:19:16,208 INFO L312 CfgBuilder]: Removed 7 assume(true) statements. [2024-12-05 23:19:16,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:19:16 BoogieIcfgContainer [2024-12-05 23:19:16,209 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:19:16,209 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:19:16,209 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:19:16,216 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:19:16,216 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:19:16" (1/1) ... [2024-12-05 23:19:16,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:19:16,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:16,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 110 states and 125 transitions. [2024-12-05 23:19:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 125 transitions. [2024-12-05 23:19:16,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:19:16,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:16,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:16,269 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:16,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:19:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:16,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:16,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:16,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:16,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-12-05 23:19:16,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:16,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 109 states and 124 transitions. [2024-12-05 23:19:16,489 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 124 transitions. [2024-12-05 23:19:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:19:16,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:16,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:16,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:16,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:16,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:19:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:16,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:16,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:16,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:16,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:19:16,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 108 states and 123 transitions. [2024-12-05 23:19:16,721 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 123 transitions. [2024-12-05 23:19:16,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:19:16,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:16,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:16,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:16,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:16,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:19:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:16,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:16,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:16,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:19:16,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:16,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 107 states and 122 transitions. [2024-12-05 23:19:16,856 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 122 transitions. [2024-12-05 23:19:16,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:19:16,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:16,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:16,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:16,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:16,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:19:16,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:16,962 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:16,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:16,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:16,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:16,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:19:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 106 states and 121 transitions. [2024-12-05 23:19:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2024-12-05 23:19:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:19:17,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:17,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:17,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:17,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:19:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:17,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:17,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:17,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 23:19:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:17,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 105 states and 120 transitions. [2024-12-05 23:19:17,154 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 120 transitions. [2024-12-05 23:19:17,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:19:17,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:17,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:17,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:17,156 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:17,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:19:17,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:17,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:17,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:17,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:17,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:19:17,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:17,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 104 states and 119 transitions. [2024-12-05 23:19:17,337 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 119 transitions. [2024-12-05 23:19:17,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:19:17,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:17,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:17,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:17,339 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:17,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:19:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:19:17,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:17,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:17,539 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 23:19:17,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:19:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:17,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:19:17,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 103 states and 117 transitions. [2024-12-05 23:19:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 117 transitions. [2024-12-05 23:19:17,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:19:17,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:17,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:17,628 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:17,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:19:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:17,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-05 23:19:17,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:17,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:19:17,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:19:17,917 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:17,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:17,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:17,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-05 23:19:18,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:18,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 106 states and 122 transitions. [2024-12-05 23:19:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2024-12-05 23:19:18,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:19:18,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:18,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:18,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:18,129 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:18,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:19:18,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:18,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:18,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:18,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 23:19:18,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:18,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 105 states and 121 transitions. [2024-12-05 23:19:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2024-12-05 23:19:18,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 23:19:18,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:18,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:18,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:18,297 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:18,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:19:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:18,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:18,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:19:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:18,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 104 states and 120 transitions. [2024-12-05 23:19:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2024-12-05 23:19:18,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:18,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:18,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:18,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:18,795 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:19:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:18,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:19:18,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:18,934 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:18,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:19,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 23:19:19,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:19,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:19:19,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 106 states and 123 transitions. [2024-12-05 23:19:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2024-12-05 23:19:19,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:19,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:19,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:19,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:19,579 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:19,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:19:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:19,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:19,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:19:19,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:19,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:19,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:19,807 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:19,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-05 23:19:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:19,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:19:20,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 108 states and 126 transitions. [2024-12-05 23:19:20,992 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2024-12-05 23:19:20,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:20,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:20,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:20,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:20,994 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:20,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:19:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:21,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:21,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:21,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:21,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 23:19:21,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:21,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 107 states and 125 transitions. [2024-12-05 23:19:21,148 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 125 transitions. [2024-12-05 23:19:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:21,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:21,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:21,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:21,150 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:21,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:19:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:21,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:21,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:21,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:19:21,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:21,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 106 states and 124 transitions. [2024-12-05 23:19:21,310 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 124 transitions. [2024-12-05 23:19:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:21,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:21,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:21,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:21,312 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:21,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:19:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:21,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:21,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:19:21,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:21,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2024-12-05 23:19:21,714 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2024-12-05 23:19:21,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:19:21,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:21,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:21,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:21,716 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:21,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:19:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:21,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:19:21,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:21,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:21,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:21,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:19:22,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:22,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 116 states and 143 transitions. [2024-12-05 23:19:22,234 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 143 transitions. [2024-12-05 23:19:22,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:19:22,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:22,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:22,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:22,236 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:22,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:19:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:22,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:22,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:22,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 23:19:22,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:22,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 145 transitions. [2024-12-05 23:19:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2024-12-05 23:19:22,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:19:22,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:22,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:22,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:22,620 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:22,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:19:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:22,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:22,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:22,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:22,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 23:19:23,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 118 states and 146 transitions. [2024-12-05 23:19:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 146 transitions. [2024-12-05 23:19:23,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:19:23,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:23,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:23,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:23,251 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:23,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 23:19:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:23,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:23,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:23,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 23:19:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 117 states and 145 transitions. [2024-12-05 23:19:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 145 transitions. [2024-12-05 23:19:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 23:19:23,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:23,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:23,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:23,397 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:23,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 23:19:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:23,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:23,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:23,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 23:19:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 116 states and 144 transitions. [2024-12-05 23:19:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 144 transitions. [2024-12-05 23:19:23,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:23,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:23,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:23,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:23,584 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:23,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 23:19:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:23,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:19:23,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:23,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:23,789 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-05 23:19:23,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-05 23:19:23,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:24,137 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:19:24,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:19:24,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:19:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:24,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 23:19:27,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:27,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 120 states and 153 transitions. [2024-12-05 23:19:27,035 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 153 transitions. [2024-12-05 23:19:27,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:27,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:27,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:27,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:27,037 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:27,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 23:19:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:27,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:27,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:19:27,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:27,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:27,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:27,284 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:27,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:27,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:27,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:27,657 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:19:27,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-05 23:19:27,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-12-05 23:19:27,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-05 23:19:27,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-05 23:19:27,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:27,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 23:19:29,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 122 states and 158 transitions. [2024-12-05 23:19:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 158 transitions. [2024-12-05 23:19:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:29,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:29,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:29,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:29,441 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:29,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 23:19:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:29,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:29,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 23:19:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:29,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 121 states and 157 transitions. [2024-12-05 23:19:29,624 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 157 transitions. [2024-12-05 23:19:29,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:29,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:29,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:29,626 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:29,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 23:19:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:29,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:29,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:29,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:29,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 23:19:29,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:29,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 120 states and 156 transitions. [2024-12-05 23:19:29,847 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 156 transitions. [2024-12-05 23:19:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:29,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:29,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:29,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:29,849 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:29,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 23:19:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:29,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:29,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:29,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 23:19:30,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:30,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 121 states and 158 transitions. [2024-12-05 23:19:30,015 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2024-12-05 23:19:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 23:19:30,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:30,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:30,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:30,017 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:30,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 23:19:30,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:30,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:30,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 23:19:30,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:30,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 122 states and 159 transitions. [2024-12-05 23:19:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 159 transitions. [2024-12-05 23:19:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:30,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:30,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:30,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:30,208 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:30,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 23:19:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:30,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:30,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:30,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-12-05 23:19:30,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:30,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 121 states and 158 transitions. [2024-12-05 23:19:30,438 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 158 transitions. [2024-12-05 23:19:30,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:30,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:30,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:30,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:30,440 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:30,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 23:19:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:30,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:19:30,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:30,668 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:30,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:30,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:30,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:30,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-12-05 23:19:31,133 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 23:19:31,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:31,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 23:19:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:32,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 122 states and 161 transitions. [2024-12-05 23:19:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 161 transitions. [2024-12-05 23:19:32,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:32,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:32,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:32,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:32,565 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:32,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 23:19:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:32,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:32,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:32,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:32,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:32,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 23:19:32,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 119 states and 157 transitions. [2024-12-05 23:19:32,769 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 157 transitions. [2024-12-05 23:19:32,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:32,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:32,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:32,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:32,771 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:32,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 23:19:32,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:32,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:32,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:32,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:32,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:32,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 23:19:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 116 states and 154 transitions. [2024-12-05 23:19:32,983 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 154 transitions. [2024-12-05 23:19:32,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:32,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:32,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:32,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:32,984 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:32,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 23:19:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:33,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:33,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:19:33,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:33,195 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 23:19:33,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:19:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:33,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 23:19:33,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 115 states and 153 transitions. [2024-12-05 23:19:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 153 transitions. [2024-12-05 23:19:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 23:19:33,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:33,224 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:33,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 23:19:33,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:33,422 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:33,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:19:33,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:33,451 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:33,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:19:33,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:19:33,538 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:33,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:33,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 23:19:33,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:33,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 118 states and 158 transitions. [2024-12-05 23:19:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 158 transitions. [2024-12-05 23:19:33,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:19:33,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:33,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:33,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:33,901 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:33,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 23:19:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:19:34,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:34,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 23:19:34,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 120 states and 161 transitions. [2024-12-05 23:19:34,188 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 161 transitions. [2024-12-05 23:19:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:19:34,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:34,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:34,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:34,190 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:34,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 23:19:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:19:34,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:34,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:34,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:34,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 23:19:34,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:34,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 122 states and 165 transitions. [2024-12-05 23:19:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 165 transitions. [2024-12-05 23:19:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:19:34,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:34,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:34,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:34,510 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:34,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 23:19:34,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:34,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:19:34,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:34,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:34,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:34,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:19:34,897 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:19:35,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:19:35,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 23:19:35,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:35,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 23:19:38,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:38,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2024-12-05 23:19:38,422 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2024-12-05 23:19:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:19:38,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:38,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:38,424 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:38,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 23:19:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:38,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:38,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:38,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:38,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:38,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 23:19:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:38,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2024-12-05 23:19:38,669 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2024-12-05 23:19:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:19:38,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:38,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:38,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:38,671 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:38,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 23:19:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:38,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:38,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:19:38,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:38,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:38,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:38,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:19:38,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:19:39,003 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:39,003 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:39,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 23:19:39,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:39,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2024-12-05 23:19:39,053 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2024-12-05 23:19:39,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:19:39,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:39,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:39,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:39,055 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:39,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 23:19:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:39,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:39,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:39,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:39,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:39,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 23:19:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 127 states and 175 transitions. [2024-12-05 23:19:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 175 transitions. [2024-12-05 23:19:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 23:19:39,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:39,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:39,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:39,345 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:39,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 23:19:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:39,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:39,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:19:39,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:39,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:39,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 23:19:39,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:39,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 128 states and 176 transitions. [2024-12-05 23:19:39,922 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 176 transitions. [2024-12-05 23:19:39,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:19:39,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:39,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:39,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:39,924 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:39,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 23:19:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:40,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:40,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:19:40,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:40,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:19:40,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-12-05 23:19:40,788 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:19:40,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:19:41,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:41,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 23:19:42,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:42,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 131 states and 186 transitions. [2024-12-05 23:19:42,878 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 186 transitions. [2024-12-05 23:19:42,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:19:42,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:42,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:42,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:42,879 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:42,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 23:19:43,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:43,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:43,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 23:19:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:43,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 130 states and 185 transitions. [2024-12-05 23:19:43,154 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2024-12-05 23:19:43,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:19:43,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:43,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:43,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:43,155 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:43,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 23:19:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:19:43,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:43,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:43,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:43,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 23:19:43,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:43,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2024-12-05 23:19:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-12-05 23:19:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:19:43,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:43,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:43,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:43,480 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:43,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 23:19:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:43,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:19:43,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:43,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:43,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 23:19:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 131 states and 189 transitions. [2024-12-05 23:19:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2024-12-05 23:19:43,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 23:19:43,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:43,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:43,773 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:43,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 23:19:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:44,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:44,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:44,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:19:44,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:44,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:19:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:44,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 23:19:44,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:44,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 132 states and 190 transitions. [2024-12-05 23:19:44,129 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 190 transitions. [2024-12-05 23:19:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:19:44,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:44,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:44,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:44,131 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:44,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 23:19:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:44,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:44,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 23:19:44,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:44,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:19:44,498 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 23:19:44,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:19:44,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:19:44,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-12-05 23:19:44,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:19:44,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:44,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 23:19:47,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 139 states and 202 transitions. [2024-12-05 23:19:47,025 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2024-12-05 23:19:47,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:19:47,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:47,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:47,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:47,027 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:47,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 23:19:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:47,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:47,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:19:47,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:47,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:19:47,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 23:19:47,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-12-05 23:19:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:47,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 23:19:50,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:50,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 142 states and 207 transitions. [2024-12-05 23:19:50,832 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 207 transitions. [2024-12-05 23:19:50,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:19:50,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:50,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:50,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:50,833 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:50,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 23:19:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:51,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:51,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:19:51,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:51,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:51,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 23:19:55,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:19:55,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 147 states and 213 transitions. [2024-12-05 23:19:55,467 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 213 transitions. [2024-12-05 23:19:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:19:55,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:19:55,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:19:55,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:19:55,469 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:19:55,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 23:19:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:55,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:19:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:19:55,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:19:55,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:19:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:19:56,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 23:20:06,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:06,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 160 states and 244 transitions. [2024-12-05 23:20:06,364 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 244 transitions. [2024-12-05 23:20:06,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:06,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:06,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:06,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:06,366 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:06,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 23:20:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:06,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:06,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-05 23:20:06,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:06,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:20:06,730 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:20:06,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-12-05 23:20:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:20:06,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 23:20:08,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 160 states and 243 transitions. [2024-12-05 23:20:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 243 transitions. [2024-12-05 23:20:08,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:08,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:08,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:08,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:08,117 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:08,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 23:20:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:08,406 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:08,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:08,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:08,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 23:20:13,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:13,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 165 states and 256 transitions. [2024-12-05 23:20:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 256 transitions. [2024-12-05 23:20:13,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:13,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:13,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:13,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:13,890 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:13,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 23:20:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:14,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:14,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:20:14,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:14,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:20:14,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:20:14,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:20:14,273 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-12-05 23:20:14,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 23:20:14,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 23:20:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 141 states and 200 transitions. [2024-12-05 23:20:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 200 transitions. [2024-12-05 23:20:15,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:15,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:15,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:15,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:15,809 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:15,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 23:20:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:16,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:16,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:16,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:20:16,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:16,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 23:20:17,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:17,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 143 states and 203 transitions. [2024-12-05 23:20:17,761 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 203 transitions. [2024-12-05 23:20:17,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:17,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:17,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:17,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:17,763 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:17,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 23:20:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:18,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:18,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:18,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:18,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:18,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 23:20:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:19,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 145 states and 205 transitions. [2024-12-05 23:20:19,572 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 205 transitions. [2024-12-05 23:20:19,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:19,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:19,574 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:19,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 23:20:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:19,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:19,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:20:19,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:19,981 INFO L349 Elim1Store]: treesize reduction 24, result has 33.3 percent of original size [2024-12-05 23:20:19,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:20:19,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:20:20,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 19 [2024-12-05 23:20:20,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:20:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:20,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 23:20:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:20,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 148 states and 212 transitions. [2024-12-05 23:20:20,091 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 212 transitions. [2024-12-05 23:20:20,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 23:20:20,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:20,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:20,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:20,093 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:20,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 23:20:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:20,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:20,462 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:20:20,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:20,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:20:20,530 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-05 23:20:20,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-12-05 23:20:20,546 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:20:20,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:20:20,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:20:20,877 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:20:20,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 17 [2024-12-05 23:20:20,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:20:21,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-05 23:20:21,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-05 23:20:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:21,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 23:20:28,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:28,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 157 states and 228 transitions. [2024-12-05 23:20:28,448 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 228 transitions. [2024-12-05 23:20:28,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:20:28,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:28,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:28,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:28,450 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 23:20:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:28,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:28,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:28,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:29,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:29,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 23:20:38,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:38,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 163 states and 244 transitions. [2024-12-05 23:20:38,586 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 244 transitions. [2024-12-05 23:20:38,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:20:38,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:38,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:38,588 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 23:20:38,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:38,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:38,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:20:38,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:38,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:38,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 23:20:44,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 169 states and 260 transitions. [2024-12-05 23:20:44,543 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 260 transitions. [2024-12-05 23:20:44,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:20:44,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:44,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:44,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:44,545 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:44,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 23:20:44,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:44,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:44,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:20:44,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:44,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:20:44,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:44,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 23:20:50,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:20:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 175 states and 275 transitions. [2024-12-05 23:20:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 275 transitions. [2024-12-05 23:20:50,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:20:50,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:20:50,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:20:50,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:20:50,397 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:20:50,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 23:20:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:50,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:20:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:20:50,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-05 23:20:50,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:20:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:20:51,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 23:21:02,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 185 states and 294 transitions. [2024-12-05 23:21:02,526 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 294 transitions. [2024-12-05 23:21:02,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 23:21:02,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:02,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:02,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:02,528 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:02,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 23:21:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:02,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:02,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:02,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:02,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:02,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:02,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 23:21:07,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:07,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 188 states and 299 transitions. [2024-12-05 23:21:07,122 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 299 transitions. [2024-12-05 23:21:07,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:21:07,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:07,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:07,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:07,124 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:07,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 23:21:07,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:07,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:07,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:21:07,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:07,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:21:07,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:21:08,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:08,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-05 23:21:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 190 states and 309 transitions. [2024-12-05 23:21:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 309 transitions. [2024-12-05 23:21:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:21:08,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:08,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:08,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:08,429 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:08,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 23:21:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:08,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:08,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:21:08,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:08,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 23:21:09,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:09,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 191 states and 310 transitions. [2024-12-05 23:21:09,154 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 310 transitions. [2024-12-05 23:21:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:21:09,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:09,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:09,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:09,156 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:09,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 23:21:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:09,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:09,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:21:09,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:09,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:09,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-05 23:21:10,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:10,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 192 states and 311 transitions. [2024-12-05 23:21:10,294 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 311 transitions. [2024-12-05 23:21:10,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:21:10,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:10,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:10,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:10,296 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:10,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 23:21:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:10,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:10,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:21:10,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:10,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 18 [2024-12-05 23:21:11,653 INFO L349 Elim1Store]: treesize reduction 34, result has 26.1 percent of original size [2024-12-05 23:21:11,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 30 [2024-12-05 23:21:12,156 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:21:13,126 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:21:13,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-05 23:21:13,651 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-12-05 23:21:13,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-12-05 23:21:13,667 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:21:13,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2024-12-05 23:21:14,177 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:21:14,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-05 23:21:14,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-05 23:21:15,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:15,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 23:21:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 206 states and 340 transitions. [2024-12-05 23:21:38,795 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 340 transitions. [2024-12-05 23:21:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:21:38,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:38,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:38,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:38,797 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:38,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 23:21:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:39,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:39,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-05 23:21:39,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:39,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2024-12-05 23:21:39,661 INFO L349 Elim1Store]: treesize reduction 34, result has 26.1 percent of original size [2024-12-05 23:21:39,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26 treesize of output 30 [2024-12-05 23:21:39,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:21:39,737 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:21:39,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-05 23:21:39,778 INFO L349 Elim1Store]: treesize reduction 22, result has 29.0 percent of original size [2024-12-05 23:21:39,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2024-12-05 23:21:39,794 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:21:39,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2024-12-05 23:21:39,815 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:21:39,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2024-12-05 23:21:39,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-12-05 23:21:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:39,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-05 23:21:42,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:42,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 208 states and 344 transitions. [2024-12-05 23:21:42,300 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 344 transitions. [2024-12-05 23:21:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:21:42,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:42,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:42,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:42,301 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:42,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 23:21:42,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:42,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:42,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:21:42,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:42,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:21:43,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2024-12-05 23:21:43,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2024-12-05 23:21:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:43,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-05 23:21:56,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:56,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 218 states and 365 transitions. [2024-12-05 23:21:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 365 transitions. [2024-12-05 23:21:56,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:21:56,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:56,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:56,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:56,875 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:56,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 23:21:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:57,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:57,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:57,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:57,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-05 23:21:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 220 states and 378 transitions. [2024-12-05 23:21:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 378 transitions. [2024-12-05 23:21:57,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-05 23:21:57,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:57,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:57,597 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:57,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 23:21:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:57,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:57,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:21:57,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:21:58,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 23:21:58,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:21:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 221 states and 385 transitions. [2024-12-05 23:21:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 385 transitions. [2024-12-05 23:21:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:21:58,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:21:58,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:21:58,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:21:58,126 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:21:58,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 23:21:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:58,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:21:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:21:58,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 23:21:58,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:21:58,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:21:59,141 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:21:59,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:21:59,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:21:59,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:21:59,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:22:00,760 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:00,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-05 23:22:00,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-12-05 23:22:01,377 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-12-05 23:22:01,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-12-05 23:22:01,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2024-12-05 23:22:01,401 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:22:01,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 24 [2024-12-05 23:22:02,006 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:02,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 45 [2024-12-05 23:22:02,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2024-12-05 23:22:02,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-12-05 23:22:02,082 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-12-05 23:22:02,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:02,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 23:22:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 231 states and 419 transitions. [2024-12-05 23:22:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 419 transitions. [2024-12-05 23:22:17,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:17,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:17,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:17,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:17,498 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:17,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 23:22:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:17,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:17,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:22:17,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:18,014 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-05 23:22:18,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-05 23:22:18,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:22:19,616 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:19,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:20,188 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:22:20,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-12-05 23:22:20,214 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:20,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:20,767 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:22:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:20,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 23:22:30,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:30,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 239 states and 440 transitions. [2024-12-05 23:22:30,843 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 440 transitions. [2024-12-05 23:22:30,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:30,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:30,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:30,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:30,845 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:30,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 23:22:31,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:31,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:31,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:22:31,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:32,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:22:32,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:22:32,985 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:22:32,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:22:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:32,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-05 23:22:37,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:37,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 242 states and 449 transitions. [2024-12-05 23:22:37,819 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 449 transitions. [2024-12-05 23:22:37,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:37,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:37,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:37,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:37,820 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:37,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 23:22:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:38,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:38,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:22:38,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:38,376 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-05 23:22:38,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-05 23:22:38,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:22:38,443 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:38,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:38,479 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:22:38,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-12-05 23:22:38,501 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:38,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:38,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:22:38,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:38,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 23:22:39,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 244 states and 461 transitions. [2024-12-05 23:22:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 461 transitions. [2024-12-05 23:22:39,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:39,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:39,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:39,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:39,943 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:39,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 23:22:40,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:40,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:40,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-05 23:22:40,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:40,488 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2024-12-05 23:22:40,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2024-12-05 23:22:40,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-12-05 23:22:40,553 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:40,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:40,593 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2024-12-05 23:22:40,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2024-12-05 23:22:40,616 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-12-05 23:22:40,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35 [2024-12-05 23:22:40,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-12-05 23:22:40,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:40,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 23:22:48,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 250 states and 478 transitions. [2024-12-05 23:22:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 478 transitions. [2024-12-05 23:22:48,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:48,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:48,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:48,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:48,207 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:48,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 23:22:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:48,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:48,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:22:48,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:48,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:22:48,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-12-05 23:22:49,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:22:49,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:22:49,222 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:22:49,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:22:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 23:22:49,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-12-05 23:22:49,753 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:22:49,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:22:49,757 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:22:49,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 23:22:57,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:22:57,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 255 states and 484 transitions. [2024-12-05 23:22:57,248 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 484 transitions. [2024-12-05 23:22:57,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:22:57,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:22:57,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:22:57,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:22:57,250 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:22:57,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 23:22:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:57,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:22:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:22:57,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-05 23:22:57,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:22:57,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-05 23:22:57,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:22:57,799 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-05 23:22:58,356 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:22:58,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-12-05 23:22:58,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:22:58,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 23 [2024-12-05 23:22:58,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-12-05 23:22:59,039 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2024-12-05 23:22:59,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2024-12-05 23:22:59,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-12-05 23:22:59,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-12-05 23:22:59,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:22:59,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 39 [2024-12-05 23:22:59,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-12-05 23:23:00,590 INFO L349 Elim1Store]: treesize reduction 63, result has 14.9 percent of original size [2024-12-05 23:23:00,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 75 treesize of output 53 [2024-12-05 23:23:00,598 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-12-05 23:23:00,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 55 [2024-12-05 23:23:07,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:23:07,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1d1a427-3fd9-4aad-a709-44d3b91e49a1/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0